Randy S Marietta , GA January 13, 2025 Appliance: Samsung Washer WF50K7500AW/A2 Samsung Washer Wf50k7500aw/A2 / 0000: Error code dc3. How to replace Washer Door Switch Assembly. Replaced the parts I ordered. Mostly likely the problem was the door lock switch. It appeared that the lock would not activate when comparing with the replacement part. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes